Hong Kong-based MangDang has created a small robot that could make for a great four-legged companion. Called Mini Pupper, the Border-Collie-level smart machine can hop, trot, run around, and it can ...

It looks like a small Collie—and was originally bred for that purpose: as a miniature version of the popular long-haired Collie. But the Shetland Sheepdog, or Sheltie, has long developed its own ...